parcel-level earthquake analysis in salt lake county
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8/14/2019 Parcel-level earthquake analysis in Salt Lake County
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EMCODE.ORG
Parcel-level earanalysis in Salt
stuart.moffatt emcode.or
HAZUS USERS CONFERENCE 2009
hquakeLake County
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EMCODE.ORG
BACKGROUND
University of Utah
sas er es s an
Pre-disaster mitigat
InCAST Web Editio
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Open-source, Web
HAZUS USERS CONFERENCE 2009
n vers y
ion grant
2.0
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EMCODE.ORG
DRU SPIN-OFF PROJ
Sugar House Mitiga
s ng e am y r
URMs, liquefaction
Homeowner mitigat
- -
(year,materials,ext
HAZUS USERS CONFERENCE 2009
ECTS
ion ROI Map (#22!)
s ences n a a e y
, ground-motion
ion outreach Version 1
rior wall,occupancy) =>
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EMCODE.ORG
DRU SPIN-OFF PROJ
Salt Lake County St
ore vance n
240K single family
New methodology fmaps at building (n
Google Cloud GIS
HAZUS USERS CONFERENCE 2009
ECTS
dy
neer ng u ng o u e
arcels as building proxies
or high-resolution hazardt tract) centroid
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EMCODE.ORG
AEBM PRIMER
Building-specific an
o aggrega e as
Capacity spectrum
Building fragility cudemand curve
Damage states drivstructural, contents
HAZUS USERS CONFERENCE 2009
alysis
n enera u ng oc
ethod
ve intersects with hazard
e loss for structural, non-and casualties
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EMCODE.ORG
RESEARCH QUESTI
Geographic scale: t
ow muc oes gestructural loss caus
Parameters
Inventory location
Sim lification of ha
HAZUS USERS CONFERENCE 2009
N
act vs. parcel
ograp c sca e a eced by spectral
ard data
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EMCODE.ORG
METHODOLOGY (A)
Tract-based (HAZU
: scre e, ve
Generalization: cen
GBS distribution fowithout using accur
Building values are
HAZUS USERS CONFERENCE 2009
today)
or va ues
troid of tract
ce accurate counts in tractate position
normalized in GBS
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EMCODE.ORG
METHODOLOGY (B)
Parcel-based (New
: con nuous,
Precision: centroid
Use building-specifi Per-buildin values
instead of normaliz
HAZUS USERS CONFERENCE 2009
ethod)
ras er va ues
f parcel
c data at building resolutionfrom CAMA databased values from GBS
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EMCODE.ORG
TRACT-BASED PES
HAZUS USERS CONFERENCE 2009
: COARSE
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EMCODE.ORG
PARCEL-BASED PE
HAZUS USERS CONFERENCE 2009
H: FINE
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EMCODE.ORG
PARCEL-BASED PE
HAZUS USERS CONFERENCE 2009
H (DETAIL)
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EMCODE.ORG
ISSUES
HAZUS Earthquake
ses vec or, no ra
Solution: extract po
u er aroun po ntmatch parcel centr
HAZUS / AEBM scal
Not ractical for 5-1
HAZUS USERS CONFERENCE 2009
Model data format
er or
ints-by-value from raster,
creates vector ayer toids
bility
0K+ data sets
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EMCODE.ORG
ALTERNATIVE METH
URS EqBCAR Tool
Fixes defect in cap
Upside: automated,
Downside: no other
HAZUS USERS CONFERENCE 2009
OD
city spectrum method
using 3rd party tools to runu
losses are calculated
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EMCODE.ORG
AGGREGATE FINDIN
Tract + Coarse
um: , , ,
Mean: $10,105
Parcel + Fine , , ,
Mean: $8,594
HAZUS USERS CONFERENCE 2009
GS
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EMCODE.ORG
SPATIAL CLUSTERI
HAZUS USERS CONFERENCE 2009
G ERROR MAP
UnderestimateOverestimate
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EMCODE.ORG
MAPPING IN THE CL
Visualizing 240,000
'
Need web-based,
: oog e Google's free cloud
Java Topology Suit
.
HAZUS USERS CONFERENCE 2009
UD
arcels is not easy
IS-backed spatial queries
pp ng ne +computing service
(open source vector GIS)
.
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EMCODE.ORG
TODO
Mapping
n egra e par
Future
AEBM / EqBCAR fincludin li uefacti
HAZUS Earthquak
En ine
HAZUS USERS CONFERENCE 2009
e resu s n o we app
r 240K parcel studyn, casualties
Model on Google App
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